Alleles are the alternative form of a gene that code for a given trait, the alleles may be dominant or recessive or exhibit incomplete dominance. When two alleles are similar they are referred to as homozygous while they are not similar they are referred to as heterozygous. Based on the founder effect, rare alleles and combinations may be improved in new populations because of the reduced size of the initial population.
Answer:
The nucleus contains the cell 's DNA and directs the synthesis of ribosomes and proteins. ... Ribosomes are large complexes of protein and ribonucleic acid responsible for protein synthesis when DNA from the nucleus is transcribed.
Explanation:
The cellular machinery responsible for protein synthesis is the ribosomes.
There would be dead animals overloading the Earth. Think about it, without worms and other things that break down dead things they would still be here and just sit there.
